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NOTE:If you have already updated to T-Mobile's 12.0.082, you will NOT be able to debrand your 5230 using this method at the moment because downgrading is not supported.You will be able to using the XTEnsion Method!Don't know what version you have? Go to the dialer, enter *#0000#

1- Use Google, Search "Navifirm" and click on the first result. At the bottom of the first post on that page, there is a link(no registration required) where you can download it. Save it somewhere easy to access.

2- Use Google again, or your preferred Torrent site. Search "Phoenix Service Software" and download/install it. (2010.12.008.42304 is the version I used)

3- Open navifirm.exe. It will take a moment to load the product list, so be patient

4- Select Nokia 5230 (RM-593)

5- Under Releases, select 12.8.95

6- Under Variants, select RM-593 CTR AWS NA WHITE_WHITE (0595971)

7- Above the list of files, click "All"

8- Click "Download from FiRe" at the bottom right.

9- Navigate to %Program Files%\Nokia\Phoenix\Product and save the files there.

10- Open Phoenix, Go to Tools > Options > Product Location

11- Add C:\Program Files\Nokia\Phoenix\ and C:\Program
Files\Nokia\Phoenix\Products and click apply(it will prompt you to add locations for DP2.0, just use the default), then click Close

12- Connect your phone VIA USB.

13- Click "File> Scan Product". At the bottom left it will tell you the status. When it is complete, you will see "Operating Mode: Normal" under "Connections".

14- Click "Flashing > Multiflash"

15- Under Dev. 1, select USB1
Under Product, select "CBL..."(not sure if everyone's number after CBL is the same)
Under software, select Product(The name of the folder you put the files in)
Code should be "0595971 RM-593 CT.."
Version 001
Method: Refurbish.

16- Click start. Do not interrupt this operation, so make sure your phone is FULLY charged.

Also, when going to update the software, be sure to press yes as quickly as possible to allow s/w update to connect to the internet.
Took me two times(got it on the third attempt when I realized what the problem was) to get the list.
Not sure if this is accurate, but it seems that it tries to connect once and if it can't, it will throw the error. If you click to allow it to access the internet quickly, it wont give the error.

If you still cannot get the list, here are the applications it will try to update:

!!! NOTE: Windows Vista or Windows 7? Set BOTH the PKEY Emulator AND JAF.exe to "Run As Administrator" AND "Windows XP SP2 Compatibility Mode."
On 7 and vista, you may get the automatic driver install that will pop up. If you do, wait until it says "failed to install driver." Then press your phone's power button again(do not hold it) and JAF should recognize it. Note that as long as you use the same USB port every time, the driver install will not show up again. If you use another USB port, it will show up once while using that port.

2. Download the CFW for your language. (XTEnsion^10 Variant 2, only confirmed variant for 593)UPDATE: New versions released. Please visit Symbian.Playground(XTEnsion Download Page) to get the latest version for the most compatibility. X-Mod recommended for T-mobile Users!
* I am unsure other languages are supported on RM-593. If you have a different RM###, please visit Xtension's Main Page to get your version.

3. Open Navifirm and download your phone's firmware. Your product code can be found behind your battery, but if you have t-mobile it will most likely be the one in the image below (0592823)

9. Select BB5 ==> Manual Flash ==> Dead USB ==> Normal Mode ==> Use INI (Note: When you check Use INI, the phone model selection window will pop up. Be patient, it may take a few seconds. Do not do anything in jaf after checking Use INI until you select your phone model. If you lost the popup window, uncheck and recheck "Use INI."

10. Select your phone model

11. You will see MCU, PPM, CNT, APE Variant become green

12. Now TURN OFF your phone!! Click FLASH button after that press power button (don't hold it) on your phone and JAF will start flashing. Through the flashing process, you will see the status in the bottom half of JAF. DO NOT DISCONNECT YOUR PHONE OR INTERRUPT THE PROCESS! Once JAF says "Done." you may disconnect your phone.

13. Your phone will automatically start up after the process is completed.

HelloOX2 not working on the latest version? PSH! I have figured out the solution, thru some steps I took with tmobile to troubleshoot an issue that I apparently created trying to downgrade the firmware...

First, when I wiped my memory card, I was then able to run helloox2 rather than it just trying to open, then closing(not sure if that step is necessary, but the next one IS)

Note: THIS WILL ERASE EVERYTHING NOT SAVED TO YOUR SIM CARD OR MEMORY CARD! USE WITH CAUTION
Go to Dialer, then enter *#7370#, enter 12345 or your lock code if you have changed it. Your phone will restart. You can then install and run helloox2, and it will install rompatcher just fine.

Full Nokia Nuron (5230) Specifications

4. Signing Apps with SignSIS

1. First, we will create a checklist of what is required to hack your 5230.
a- Certificate to sign Unsigned Apps - VisitThis is probably the quickest website for getting a certificate I have found. Generally in less than 24 hours.
b- SignSIS- Download
c- Nokia PC Suite(or OVI Suite)- Download

2. You will need to download the .cer and .key files from s60certkey.com. Just go to login on the webiste, and you will be able to download both files. Keep these files somewhere safe and accessible.

4. Either use Nokia PC/OVI Suite to install the app on your phone, or put it in the "INSTALLS" directory, then go to your application manager(or file manager), browse to the file, and install via your phone's interface. I recommend PC/OVI Suite for simplicity.

T-Mobile is joining Comcast and Verizon (on the landline front) in pushing the long-overdue IPv6 ball forward, and has started their IPv6 user trials. According to this T-Mobile Google Group posting, users interested in participating must be a T-Mobile USA subscriber with an unlimited data plan in a T-Mobile coverage area (not roaming), and you must have a Nokia 5230 Nuron, Nokia E73 or Nokia N900 phone. T-Mobile notes that your participation might not be particularly fun, given that "services like Visual Voice Mail, MyAccount, MMS (picture messages), and several other services do not yet work," and your only avenue of support will be the via the Google Group they created. In other words, as T-Mobile puts it, this is only for users who are "feeling adventurous."

Supposedly ROFS3 is the area where carrier branding is done, so - in theory - a new firmware rolled with all of the vanilla, stock system parts of RM-593 except for this custom ROFS3 shouldn't cause any problems.

*#92702689# *#WAR0ANTY# Life Timer (Shows total call times, Nothing will reset this timer)

Want 3rd party apps on your 5230? Use google, HelloOX2, cer.opda.cn/en, and SignSIS GUI(along with Nokia PC Suite or OVI Suite). Once you get HelloOX2 Signed with the key(using signsis and opda) all you need to do is use google to find them, and Nokia PC Suite or OVI Suite to install them.

If you prefer, you can individually sign each app(or if HelloOX2 doesn't work, meaning you cannot run unsigned apps) using Signsis and the certificate you get from OPDA.

--------------------------------------------------------------

8. Specifications

These can be found on the internet easily, but wanted to include them in this thread.

I personally don't have experience doing that, but if anyone that can is willing to mess around with the ROM or even create a new CFW for us "yanks" as we are commonly referred to by the british lol, I would be rather ecstatic and would use it at least from the beta stage and on(my pos razr backup phone's usb port is loose so it won't charge, and i cba to take the time and find the tools to fix it so I won't use it unless I know it can at least successfully flash to the phone and have basic functions at the time).. I may not be the most technical(above average, far from an expert though), but I enjoy trying new things... Its how I have learned all that I know, and don't plan on stopping as long as I have something new to play with, and possibly break in the process.

I will test it out. I am getting a new phone due to net problems(though they are fixed, my free new phone is on its way, so I will risk this one now) and I'll let you know.

Due to this, I will not be testing until I actually get my new phone. The incompatibility there is obvious. The only thing I can recommend is changing the product code using NSS(though that is likely to cause problems as well), and use either WIND or DAVE wireless firmwares if you don't like the t-mobile firmware.

Also, please note that if you do this, you will ONLY have access to the EDGE network, not 3G as the bands are different.

Yeah the RM-588 is definitely different than the RM-593 but that particular FW I linked to is supposed to only touch the ROFS3 section of the FW where (allegedly) there is no radio programming, only carrier themes.

I guess the idea is that you fire up that Nokia official FW downloader app (forget the name) download the latest firmware for the RM-593 and then (skipping some steps here, I'm sure) throw away the official ROFS3, place in the custom ROFS3, put it back together and flash the phone.

So the parts of the FW that actually affect things like the radio are stock RM-593 and this CFW isn't technically an RM-588 FW, it's just a 523X FW. Your phone is updated to the latest Nokia RM-593 FW plus the ROFS3 icing from that dailymobile.se thread.

Yeah the RM-588 is definitely different than the RM-593 but that particular FW I linked to is supposed to only touch the ROFS3 section of the FW where (allegedly) there is no radio programming, only carrier themes.

I guess the idea is that you fire up that Nokia official FW downloader app (forget the name) download the latest firmware for the RM-593 and then (skipping some steps here, I'm sure) throw away the official ROFS3, place in the custom ROFS3, put it back together and flash the phone.

So the parts of the FW that actually affect things like the radio are stock RM-593 and this CFW isn't technically an RM-588 FW, it's just a 523X FW. Your phone is updated to the latest Nokia RM-593 FW plus the ROFS3 icing from that dailymobile.se thread.

Again, that is the idea as I understand it. I could be wrong.

navifirm
I tried to cook ROFS3 (put Trad+Simp Chinese lang files as well as fonts) ROM, but Phoe*** doesn't like it (checksum mismatch).